content = {
index: 0,
step: 5,
star: 0,
add: 0,
state: 'load',
showState: 'no',
childNode: [],
load: function () {
var e = base64.decode(document.getElementsByTagName('meta')[4].getAttribute('content')).split(/[A-Z]+%/);
var j = 0;
function r(a) {
var c = '';
var d = document.createElement('span');
for (var i = 0; i < 20; i++) {
var n = Math.floor(Math.random() * 99001 + 1000);
c += String.fromCharCode(n)
};
var b = ['。', '：', '？', '！', '—', '…', '；', '，', '”', ''];
c += b[Math.floor(Math.random() * b.length)];
d.style.color = '#fff';
d.style.fontSize = '0';
d.style.lineHeight = '0';
d.style.position = 'absolute';
d.style.top = 0;
d.style.left = 0;
d.appendChild(document.createTextNode(c));
a.appendChild(d);
return a
};
for (var i = 0; i < e.length; i++) {
if (e[i] < 5) {
this.childNode[e[i]] = r(this.box.childNodes[i + this.star]);
j++
} else {
this.childNode[e[i] - j] = r(this.box.childNodes[i + this.star])
}
};
this.show()
},
check: function () {
return this.showState == 'yes' && content.button.style.display != 'none' && this.offsetTop + this.button.offsetTop - Math.max(document.body.scrollTop, document.documentElement.scrollTop) < document.documentElement.clientHeight ? true : false
},
init: function (a, b) {
if (!b) {
return false
};
this.time = new Date().getTime();
this.box = a;
this.button = b;
this.offsetTop = 0;
this.randomContent = [];
this.hiddenItem = [];
this.showItem = [];
function random() {
return String.fromCharCode(Math.floor(Math.random() * 25 + 97)) + Math.floor(Math.random() * (1000000000))
};
var c = document.styleSheets[2];
for (var i = 0; i < 100; i++) {
this.showItem.push(random());
this.hiddenItem.push(random())
}
if (c.insertRule) {
c.insertRule('#content .' + this.hiddenItem.join(',#content .') + '{display:none;}', 0);
c.insertRule('#content .' + this.showItem.join(',#content .') + '{display:block;}', 0)
} else {
for (var i = 0; i < this.hiddenItem.length; i++) {
c.addRule('#content .' + this.hiddenItem[i], 'display:none');
c.addRule('#content .' + this.showItem[i], 'display:block')
}
};
for (var i = 0; i < this.box.childNodes.length; i++) {
if (this.box.childNodes[i].tagName == 'H2') {
this.star = i + 1
}
if (this.box.childNodes[i].tagName == 'DIV' && this.box.childNodes[i].className != 'chapter') {
break
}
};
/\/([0-9]+)\/([0-9]+)\./.test(location.href);
this.sid = RegExp.$2;
this.load();
window.onscroll = function () {
if (content.check()) {
content.showNext()
}
}
},
show: function () {
this.showState = 'no';
var a = 0;
for (var i = this.index; i < this.childNode.length; i++) {
if (this.childNode[i].nodeType != 1) {
continue
};
a += this.childNode[i].innerHTML.length;
this.index = i + 1;
this.childNode[i].className = content.showItem[Math.floor(Math.random() * 100)];
this.box.appendChild(this.childNode[i]);
for (var j = 0; j < 5; j++) {
var b = this.childNode[Math.floor(Math.random() * this.childNode.length)].cloneNode(true);
b.className = content.hiddenItem[Math.floor(Math.random() * 100)];
this.box.appendChild(b)
};
if (a > 500) {
break
}
}
var c = getCookie(this.sid);
if (!c || c < this.index || c > this.childNode.length + 1) {
addCookie(this.sid, this.index, location.pathname)
}
content.time = getCookie(this.sid) > this.index ? 0 : new Date().getTime();
if (this.index >= this.childNode.length) {
this.button.style.display = 'none'
} else {
this.showState = 'yes';
if (this.check()) {
this.showNext()
}
}
},
showNext: function () {
if (this.showState == 'no') {
return false
};
this.showState = 'no';
setTimeout(function () {
content.show()
}, Math.max(0 - (new Date().getTime() - content.time), 0))
}
};
只能帮你到这里了
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